The Triad Extreme HS Basic welder is best for industrial material welding of geomembranes/liners, greenhouses, tarps and ground covers. It is Miller Weldmaster’s fastest portable welder. As either a stationary or self-propelled welder, the Triad Extreme HS Basic provides hands-free, single person operation from floor or table surfaces. It is efficient, versatile, quiet, easy to operate and fast. The Triad Extreme HS Basic will weld 65 feet (19.8 m) per minute on a wide variety of coated and noncoated textiles.